microalgae
type: Concept
broader: phytoplankton

phytoplankton
type: Concept
definition: PHYTOPLANKTON ARE A group of free floating microscopic organisms predominantly classified as algae. Over 4,000 species of phytoplankton have been identified and this list is rapidly growing. [Source: Encyclopedia of Global Warming and Climate Change; Phytoplankton]
narrower: microalgae
broader: plankton
broader: oceanography

plankton
type: Concept
narrower: phytoplankton

oceanography
type: Concept
narrower: phytoplankton

concepts
type: Collection
type: ConceptGroup
member: phytoplankton